Search found 15 matches

by Pescara
Fri Dec 18, 2009 2:29 pm
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Piston to bore clearance?
Replies: 5
Views: 2615

I would agree that if you're using pistons other than factory-style replacements, the close clearance needs to be evaluated. However, I've installed new oversized pistons with stock factory clearances, and all was well. The designers worked hard and spec'd the pistons to allow close clearances, with...
by Pescara
Fri Nov 06, 2009 1:45 pm
Forum: Roundcase Engines > 750 GT, 750 Sport & 750 Super Sport
Topic: Anyone seen these Aftermarket 750 rods?
Replies: 5
Views: 2736

I bought a set like that from Ian Gowanloch about 10 years ago. These were for my Darmah, and I was offered the choice of two types - these were the more expensive of the two types. Who manufactured them I don't know.

Since the GT is in Australia, I would guess these rods came from the same source.
by Pescara
Wed Oct 07, 2009 8:52 am
Forum: Carburettor & Fuel System Shop
Topic: 750f1a airfilters
Replies: 2
Views: 1546

As I remember, the stock F1 air filters were a piece of coarse foam stuffed in a plastic frame without being fastened to the edges. I call parts like those "place holder parts", as they take the place of real parts without performing the required functions :-) On the first day after buying my F1, th...
by Pescara
Tue Jul 28, 2009 3:34 pm
Forum: Body, Paint & Rubber Shop
Topic: What is this seat off ?
Replies: 4
Views: 2543

Bullet wrote:Or 350/500 GTL ...
Bingo...............

Image
by Pescara
Wed May 20, 2009 5:01 pm
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: darmah with 40mm dellortos is it worth it?
Replies: 32
Views: 15357

True the SD engine is much the same base engine , but the SD never had the polished Rod's that all SS had from the beginning , and apart from the weight and length of the bike that is about where the similarities stop Late SD's had the polished rods, for instance the '83 blue-paint-with-silver-stri...
by Pescara
Fri May 01, 2009 9:17 am
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: darmah with 40mm dellortos is it worth it?
Replies: 32
Views: 15357

My '80 900SS has 40-mm carbs and idles consistently after a couple of minutes warm up. In comparison with a Darmah I had for several years, with 32-mm carbs, there is no difference in idle performance. The engine with 32-mm carbs felt crisper on partial throttle, but made considerably less power. It...
by Pescara
Mon Jan 19, 2009 4:30 pm
Forum: Body, Paint & Rubber Shop
Topic: 77 900SS restore question
Replies: 13
Views: 5151

Its probably not too hard to figure out which color the bike was painted from the factory: if a '78 900SS had silver/blue bodywork from the factory, the frame would also have been silver (not black). If the bike had black bodywork, the frame would've been black too. 1982 900SS's came with a (unique)...
by Pescara
Thu Jan 15, 2009 3:11 pm
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Darmah wheels?
Replies: 6
Views: 4046

Re: Darmah wheels?

My bike has corroded Campagnolos on it. Are there any direct bolt on wheels from any other bikes? Im looking for a cheap set so original doesnt matter to me much. Spokes or mags are fine with me. Best thing in that regard might be a set of Cagiva Alazzurra wheels... I believe they'll bolt on, and A...
by Pescara
Thu Jan 15, 2009 2:58 pm
Forum: Body, Paint & Rubber Shop
Topic: 77 900SS restore question
Replies: 13
Views: 5151

The '78 still had spoke wheels. My father in law still has his to this day. They are probably my pick of the bunch because they are still a silver/blue spoke wheel SS but they have a Bosch engine in the 900's, 750's still had the old stator plate. Dave Ward Moto Italia Aprilia-Ducati-Moto Guzzi 043...
by Pescara
Thu Jan 15, 2009 2:34 pm
Forum: Body, Paint & Rubber Shop
Topic: Black and Gold 900SS Colour
Replies: 10
Views: 11383

It might be worth noting that the original black/gold SS paint job was designed to be cheap and fast, nothing fancy... all they had to do was paint the bike basic black and slap the gold stripe decals on it, clearing over only the parts where gold stripes were applied. The side covers and rear fende...
by Pescara
Thu Jan 15, 2009 2:21 pm
Forum: Body, Paint & Rubber Shop
Topic: frame paint
Replies: 8
Views: 3874

I've always assumed the reason for the UNF muffler mounts is that passenger foot pegs were sourced from a British supplier, presumably because that was the cheapest source.

My '80 900SS has the UNF bolts.
by Pescara
Thu Nov 20, 2008 10:41 am
Forum: Squarecase BOSCH Ignition Engines > SD, SSD Darmah, late 900 SS & 900 GTS
Topic: Interchanging Electric/Non-Electric Start Clutch Covers
Replies: 18
Views: 6436

Re: Interchanging covers

Hi, I have just recently done this exercise and was very surprised to hit a snag at the very last stage. Please check your selector shaft length. If you have an electric start darmah engine chances are it has a "long shaft" in it. An SS style case will use a "short shaft" There is only about 25mm i...
by Pescara
Wed Nov 19, 2008 2:42 pm
Forum: Engine & Transmission Shop
Topic: 750 GT Cylinder fin repair
Replies: 2
Views: 2038

Years ago Tom Mackie did a wonderful and inexpensive fin repair for me on a bevel cylinder... A quick Google search says the business still exists.

Mackie Welding
59 E Montecito Ave
Sierra Madre, CA 91024 USA
(626) 355-7058
by Pescara
Wed Nov 19, 2008 2:16 pm
Forum: Engine & Transmission Shop
Topic: SS Clutch - how heavy?
Replies: 10
Views: 3426

Pescara, Thanks for the VERY useful information - the EBC pads will be ordered, and soon! I may have to skim them down for the early calipers, but not a big deal; a price worth paying, I think :lol: Can you remember what the difference was between the early and late springs? It just so happens that...
by Pescara
Wed Nov 19, 2008 9:54 am
Forum: Engine & Transmission Shop
Topic: SS Clutch - how heavy?
Replies: 10
Views: 3426

I don't believe all SS clutches were created equal... nor were all Surflex plates created equal, or all SS clutch springs. As I understand it, the OEM plates were Surflex but the design changed sometime in the early 80s. The change was to delete lining material at the inner edge of the plates, makin...

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